• Micro prism: can be used as teaching tools or research tools and decorations,optical cube
• Note: this item does not fit for projector, please do not put it into projector to replace the original,element cubes,cube
• Physics teaching decoration: a necessary equipment for science class of kindergarten, primary school , junior high school and high school,rgb cube
• Cny cube: it may children's interest of natural light and help them to discover some interesting phenomena,clear glasses
• Prisms: children can get the initial experience of the refraction of light perception and stimulate their curiosity,light cube